Finding the Third Proportional to 39,269.89 and 55,521.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,269.89 : 55,521.82 = 55,521.82 : x
2. Step 2: Convert to fraction form
   39,269.89/55,521.82 = 55,521.82/x
3. Step 3: Cross multiply
   39,269.89x = 55,521.82 × 55,521.82
4. Step 4: Simplify right side
   39,269.89x = 3,082,672,693.48
5. Step 5: Solve for x
   x = 3,082,672,693.48/39,269.89
6. Step 6: Final answer
   x = 78,499.65